岩田は特別に数理的な頭のいい子で、大抵一番先に仕上げて、そしらぬ顔をし

岩田は特別に数理的な頭のいい子で、大抵一番先に仕上げて、そしらぬ顔をしているが、その次が私と京子との競争であった。

Results (English) 1:

The child clever mathematical, and finish ahead most often, Iwata have a Soshiranu face specially, but the next was competition with Kyoko with me.

Results (English) 2:

Iwata is special bright boy with a mathematical, mostly at the finish, that you didn't have the next competition for Kyoko and I was in.

Results (English) 3:

Mostly Iwata finished it with a particularly mathematic bright child first of all and ignored it, but the next was competition with me and Kyoko.